By the time American troops entered World War 1 the Allies were exhausted after years of fighting. The correct option among all the options that are given in the question is the third option or option "c". The entry of Americans in the war boosted the morale of the Allied army. I hope the answer comes to your help.
Answer: Drug Organizations and cartels.
Explanation:
Answer:
The byzantine empire struggled with low moral, corrupt leadership, bad politics, and excessive spending in the military
I hope that helps!